[ARCHIVED] rad_to_deg function not working?

danmarek
Community Explorer

I am trying to create a formula in a quiz on refraction.  Every step of my formula is correct until I add the rad_to_deg() to get the final answer in degrees and not radians (I'm a physics teacher, not a mathematician).  When I remove that from the formula I get the correct answer in radians but I can't get it to convert to degrees.  Am I doing something wrong or is this a bug?  Any advise? 

 

Canvas_Formula_Questions.jpg 

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